In our previous issue, we said a digital output module could be tested by using the PLC logic to force the output on and off then and observing the module’s response. If the module doesn't respond, ...

Designed for use with the vendor’s SNAP Ethernet I/O systems, the SNAP-ODC-32-SNK and SNAP-ODC-32-SRC 32-channel digital output modules offer new levels of density for applications with high digital ...

Safety-relevant output modules as well as a logic module with expanded functional scope have been added to modules already available. Fourteen different safety-relevant function modules, from a simple ...

In previous issues, we have discussed troubleshooting input modules. In the examples, the output modules checked out OK. But what if they don't? As with input modules, output modules can be digital or ...